[INFO] updating cached repository https://github.com/mcueto/rust-book-chapter-3
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97f27c9df9a8d062c32dd13586a62a179e1b4822
[INFO] testing mcueto/rust-book-chapter-3 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcueto%2Frust-book-chapter-3" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcueto/rust-book-chapter-3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mcueto/rust-book-chapter-3
[INFO] finished tweaking git repo https://github.com/mcueto/rust-book-chapter-3
[INFO] tweaked toml for git repo https://github.com/mcueto/rust-book-chapter-3 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mcueto/rust-book-chapter-3 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 05ba821df9b613ba9237c4e16c7735218f749417841fa6c5d1103baafc894814
[INFO] running `"docker" "start" "-a" "05ba821df9b613ba9237c4e16c7735218f749417841fa6c5d1103baafc894814"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "05ba821df9b613ba9237c4e16c7735218f749417841fa6c5d1103baafc894814"`
[INFO] running `"docker" "rm" "-f" "05ba821df9b613ba9237c4e16c7735218f749417841fa6c5d1103baafc894814"`
[INFO] [stdout] 05ba821df9b613ba9237c4e16c7735218f749417841fa6c5d1103baafc894814
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03f7d8fa1325d4ba5a86399d5ce7e667370591b38237f67d7fa275580551bda1
[INFO] running `"docker" "start" "-a" "03f7d8fa1325d4ba5a86399d5ce7e667370591b38237f67d7fa275580551bda1"`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "03f7d8fa1325d4ba5a86399d5ce7e667370591b38237f67d7fa275580551bda1"`
[INFO] running `"docker" "rm" "-f" "03f7d8fa1325d4ba5a86399d5ce7e667370591b38237f67d7fa275580551bda1"`
[INFO] [stdout] 03f7d8fa1325d4ba5a86399d5ce7e667370591b38237f67d7fa275580551bda1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 36dafd232815d338bacbac7919b7c98d14ef1f747457b809d511b51f8c33f5c1
[INFO] running `"docker" "start" "-a" "36dafd232815d338bacbac7919b7c98d14ef1f747457b809d511b51f8c33f5c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/variables-520a909bde033b39
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "36dafd232815d338bacbac7919b7c98d14ef1f747457b809d511b51f8c33f5c1"`
[INFO] running `"docker" "rm" "-f" "36dafd232815d338bacbac7919b7c98d14ef1f747457b809d511b51f8c33f5c1"`
[INFO] [stdout] 36dafd232815d338bacbac7919b7c98d14ef1f747457b809d511b51f8c33f5c1